Free Shipping Offers are for Standard Ground Delivery service and are only valid for shipping addresses within the 48 Contiguous United States. Truck freight and oversize charges still apply unless otherwise notes and can only be shipped to the lower 48 States.Same Day Shipping (on most parts) if you order by 5PM EST on a business day. We ship via UPS Ground and/or USPS to all locations in the Continental 48 States.

AmericanMuscle also offers Free Freight Handling to locations with loading docks in the Continental 48 States. Freight shipments going to a residential address will require a $75 residential handling fee.

Product Resources

More Horsepower and Torque! Increase the power of your Roush R2300 Aluminator Phase 1 supercharger to an impressive 675 horsepower and 585 lb-ft of torque with a Phase 1 to Phase 3 Supercharger Upgrade Kit. That's an increase of 100 horsepower and 80 lb-ft of torque.

Upgraded ROUSH PCM calibration. ROUSH® PCM calibration is a success of engineering that maximizes the power of the system. ROUSHcharger owners will receive a ROUSH® PCM Flash Voucher Card, which is used to obtain the specific calibration needed for your Mustang and requires ROUSH Diagnostic Tool (RDT) software and a J2534 Pass-Through device to upgrade your PCM (software and pass-through device not included).

Application. This Roush Phase 1 to Phase 3 Supercharger Upgrade Kit is specifically designed for use on the Naturally Aspirated 11.0:1 Compression Ratio Ford Racing 5.0L Aluminator Crate Engine with the Roush R2300 Aluminator Phase 1 Supercharger Installed. Fits manual transmissions only. NOT approved for sale or installation in the state of California.

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Word on The Street

AM had the best price with no shipping costs, what a great deal. Other vendors had the same price but wanted 20 dollars or more to ship. Also, the how to instructions and videos for installation are very helpful. I couldn't be more pleased with my purchase.

Meet Our Team

My mustang is my first car and every time I look at it, I remember how lucky I am. Ever since I saw a grabber blue GT500, I knew I had to have a grabber blue car. I've done a few modifications to the car since I've gotten it, and of course there's many more to come.

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